Potterton Suprima 30 boiler ignites and runs for about 5 mins then goes off. I get a red solid light and a green flashing light but the boiler then does nothing. Could the temp sender be faulty or the overheat stat need replacing ?
Potterton Suprima 30
- Thread starter m.birtles
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I would look more to the air pressure switch or the fan personally 
or if it has the flow switch fitted that as well
or if it has the flow switch fitted that as well
Can also be blocking fault which tec support say is that the incoming mains frequency is out of spec should be 50hz(more likely to be faulty pcb), as said check aps & fan then look at upgrading to new mk3 pcb, which is much more reliable and has better on board fault diagnosis
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